Fuji Electric Frenic-Mini - 4.7 Drive Command Controller

4.7 Drive Command Controller
4-13
Chap. 4 BLOCK DIAGRAMS FOR CONTROL LOGIC
4.7 Drive Command Controller
Figures 4.6 (a) and (b) show the drive command controller.
+
-
H69=
2,4
F43≠0
F43=0
+
-
H69=0,1
x
x
1
+
+
*1 Only the deceleration time should be
three times the specified one.
(JOG)
ACC/DEC Time
(Jogging operation)
(RT1)
"1"
"3"
(DC link bus voltage)
> (Limit level)
STOP
+
H54
Ready for jogging
Select ACC/DEC time
*1
×
×
Slip compensation gain
for braking
FWD REV
"-1"
"0"
H08
Rotational
direction
limitation
F03
F04
F23
F25
Maximum frequency 1
Starting frequency 1
F24
F39
(Holding time)
Stop frequency
Base frequency 1
(Holding time)
ACC/DEC processor
H07
H11
Deceleration mode
H63
H69
Automatic deceleration
(Mode selection)
H69
Automatic deceleration
(Mode selection)
F44
Current limiter (Level)
H14
Restart mode after
momentary power failure
(Frequency fall rate)
F43
Current limiter
(Mode selection)
Output current
Calculated
torque
Calculated
torque
H70
Overload
prevention
control
H70≠0.00
H70=0.00
P09
P12
Slip compensation gain
for driving
Rated slip frequency
(Driving)
(Braking)
P11
x
P10
Slip compensation
response time
F42
Control mode selection 1
Cancel if
F43 = 0
Current limiter
Run
decision
Current limit control
Cancel if
H69 = 0
Main control
block
Run
decision
Limit
level
Automatic deceleration
H76
Torque limiter
(Braking)
Cancel if
H70 = 999
Operation
analyzer
Frequency
processor
Overload prevention control
H70≠999
H70=999
Acceleration
time
Deceleration
time
S08
S09
E10
E11
Acceleration time 2
Deceleration time 2
Acceleration
time 1
F07
F08
Deceleration
time 1
Cancel if
H69≠1
Figure 4.6 (a) Drive Command Controller and Related Part of the Inverter